Upgrade or install fresh to 11g RAC 10 GB Single Instance base data?
What are the benefits of taking a server Oracle 10 g clone and carry it to the node two ORACLE RAC?I think I could do the following:
1. install and configure Oracle Clusterware
2. install and configure the software database only
3. get a database of clone of 10 g (database file, init.ora, trace controlfile.
4. apply the database 10 g of Clone on the Oracle RAC 11 g database waiting it to be accessible from both nodes
The other Option
1. install the Oracle 10 g database software in the new environment
2. get a clone of 10 g production database and apply to the new development environment
3. install the software of database 11 g only
4. turn to level 10 g single instance of database 11 g single instance
5. install and configure the cluster 11 g clusterware
6 move the single instance of 11 g to 11 g RAC
When it is maybe a good idea to add DSO for this implementation? Your ideas are appreciated.
Thanks in advance!
Hello
If you have 3 business applications, so it is good to have 3 diff for all 3 applications services it will however help only if you have multi RAC node where you have the flexibility to define the services running on specific nodes so now two node RAC, it will not be very different.
That your goal is both fault-tolerance, I suggest you create a service with a favorite and one available to get load balancing server side, select also load_balance = yes and failover_on on the entry of TNS to switch client-side client-side.
I hope you know for failover, only queries select are get toggled if method = select. DML is not supported for failover and you have to manage with DML failover demand only.
Please check my blog for more details on the RAC load balancing, failover and services below.
http://keyurmakwanacrs.blogspot.com/2010/03/RAC-services-load-balancing-TAF-and-fan.html
Thank you
Samyr16
Tags: Database
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